BGS mineralogy and petrology collection record

Sample number S14814
Sample Donor Tait,D.
Rock name 'Original entry: Ophitic Olivine-Dolerite'
Stratigraphy Not entered
Comments Lava; replacement of the feldspars within the augites by secondary hornblende; Memoir, p. 141
Locality details Stream by side of road bridge, 0.25 mile E of Eilean Feoir, between Loch na Keal and Loch Ba
50k map sheet Mull (44)

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Map reference NM 5342 3887
Year collected Not entered 
Bore name Not applicable
Confidentiality No restrictions

Petrological thin sections

Links to high resolution images

Transition from XPL to PPL light


S14814

Cross Polarized, S14814

Plane Polarized, S14814

Plane Polarized, S14814